Synthesis and properties of new adducts of 2,2,6,6-tetramethylpiperidine and 2-hydroxyphenylbenzotriazole as polymer photo stabilizers

被引：25

作者：

Bojinov, V

Grabchev, I

机构：

[1] Univ Chem Technol & Met, Dept Organ Synth, BU-1756 Sofia, Bulgaria

[2] Bulgarian Acad Sci, Inst Polymers, BU-1113 Sofia, Bulgaria

来源：

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY | 2002年 / 150卷 / 1-3期

关键词：

adducts of 2,2,6,6-tetramethylpipetidine and 2-hydroxyphenylbenzotriazole; polymerizable photostabilizers; phase transfer catalysis; photostability; photodegradation;

D O I：

10.1016/S1010-6030(02)00099-0

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The synthesis of new stabilizer type compounds (a combination between 2,2,6,6-tetramethylpiperidine and 2-hydroxyphenylbenzotriazole in one molecule) is reported. Three new polymerizable combined stabilizers as well as one unsaturated triazinyl-2,2,6,6-tetramethylpiperidine and three unsaturated triazinyl-2-hydroxyphenylbenzotriazoles as individual stabilizers were synthesized. Their copolymers and the terpolymers of the individual stabilizers with methyl methacrylate (MMA) were obtained. Chemical bonding of the stabilizers in the polymer was confirmed spectrophotometrically. The influence of these additives on the photostability of the copolymers was studied. The participation of the combined stabilizers in the polymerization did not affect considerably the rate of copolymerization, the molecular weight and polydispersity of the copolymers. A significant stabilizing effect against photodegradation was determined. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：223 / 231

页数：9

共 19 条

[1] RECENT ADVANCES IN THE PHOTOOXIDATION AND STABILIZATION OF POLYMERS [J].